172270606775 has 12 divisors (see below), whose sum is σ = 213675117072. Its totient is φ = 137778056640.

The previous prime is 172270606747. The next prime is 172270606793. The reversal of 172270606775 is 577606072271.

It is a happy number.

It is not a de Polignac number, because 172270606775 - 2²² = 172266412471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869099 + ... + 1048748.

It is an arithmetic number, because the mean of its divisors is an integer number (17806259756).

Almost surely, 2^172270606775 is an apocalyptic number.

172270606775 is a deficient number, since it is larger than the sum of its proper divisors (41404510297).

172270606775 is a wasteful number, since it uses less digits than its factorization.

172270606775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921450 (or 1921445 counting only the distinct ones).

The product of its (nonzero) digits is 1728720, while the sum is 50.

The spelling of 172270606775 in words is "one hundred seventy-two billion, two hundred seventy million, six hundred six thousand, seven hundred seventy-five".